Bug: copy paste doesn't work well on all cases

[AndroidDeveloperLB]

v1.6.7

Steps:

1. write some text.
2. write a list of text
3. copy all of what you've written.
4. Delete all
5. paste.

The bug: The list bullets/numbers were removed, including the indentation.

Attached video to show issue. device-2018-03-06-153908.zip